package org.bjf.springboot.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;

/**
 * Created by binjinfeng on 2017/3/16.
 */
@WebFilter()
public class MyFilter implements Filter {

  FilterConfig config;

  @Override
  public void init(FilterConfig config) throws ServletException {
    this.config = config;
    config.getServletContext().log(
        "=========================================MyFilter启动:init=========================================");
  }

  @Override
  public void doFilter(ServletRequest request, ServletResponse response,
      FilterChain chain) throws IOException, ServletException {
    config.getServletContext().log(
        "=========================================MyFilter拦截请求:doFilter=========================================");
    chain.doFilter(request, response);
  }

  @Override
  public void destroy() {
    config.getServletContext().log("==>MyFilter destroy");
  }
}
